Semiconductor switch

A semiconductor switch comprising a first main terminal, a second main terminal, and a control terminal, the semiconductor switch comprising:

• a III-nitride integrated circuit, the III-nitride integrated circuit comprising:
• a high voltage HEMT, the high voltage HEMT comprising a high voltage HEMT source terminal, a high voltage HEMT drain terminal, and a high voltage HEMT gate terminal;
• and
• at least part of an interface circuit;
• wherein the semiconductor switch further comprises a high voltage transistor device, the high voltage transistor device comprising a transistor device first terminal, a transistor device second terminal, and a transistor device gate terminal;
• wherein the high voltage HEMT source terminal and the transistor device first terminal are operatively connected to the first main terminal;
• wherein the high voltage HEMT drain terminal and the transistor device second terminal are operatively connected to the second main terminal;
• and
• wherein the high voltage HEMT gate terminal is operatively connected to the control terminal via the interface circuit, wherein the interface circuit is configurable to adjust a voltage applied to the control terminal to be operatively compatible with the high voltage HEMT gate terminal.